Grate cleaning device



FIG. 1 shows a perspective view of the grate cleaning device.

FIG. 2 shows a front view of the grate cleaning device.

FIG. 3 shows a rear view of the grate cleaning device.

FIG. 4 shows a right side view of the grate cleaning device.

FIG. 5 shows a left side view of the grate cleaning device.

FIG. 6 shows a top view of the grate cleaning device; and,

FIG. 7 shows a bottom view of the grate cleaning device. 

CLAIM The ornamental design for a grate cleaning device, as shown and described. 